#app{
	font-family: Helvetica Neue,Tahoma,Arial,PingFangSC-Regular,Hiragino Sans GB,Microsoft Yahei,sans-serif;
}
.border-top-1px:before{
	height: 1px;
    content: "";
    width: 100%;
    border-top: 1px solid #999;
    position: absolute;
    top: -1px;
    right: 0;
    transform: scaleY(.5);
    -webkit-transform: scaleY(.5);
}
.border-1px:before{
    content: "";
    pointer-events: none;
    box-sizing: border-box;
    position: absolute;
    width: 200%;
    height: 200%;
    left: 0;
    top: 0;
    border-radius: 0;
    border: 1px solid #999;
    -webkit-transform: scale(.5);
    -webkit-transform-origin: 0 0;
    transform: scale(.5);
    transform-origin: 0 0;
}